UPDATE JAN. 30: Gov. Steve Sisolak is declaring Jan. 30 as "Only Vegas Day" following the launch of Las Vegas’ new slogan on Sunday.
Watch his deceleration from Fremont Street Experience below:
Celebrations around the city were originally planned for Sunday evening, but those plans were postponed due to the tragic plane crash in Calabasas, Calif.
The Las Vegas Convention and Visitors Authority says the new slogan, "What happens here, only happens here," will be displayed on various resort marquees at 6 p.m.
A commercial for the slogan will air on Fremont Street Experience’s Viva Vision canopy, and the lights on the Welcome to Fabulous Las Vegas sign, the Eiffel Tower at Paris Las Vegas and The High Roller will be changed in reflection of the new campaign.
Also, Instagram photo opportunities will pop up across Fremont Street Experience, McCarran International Airport – Terminal 1, The Cosmopolitan of Las Vegas, Fountains of Bellagio, The LINQ Promenade, Grand Canal Shoppes at The Venetian Resort Las Vegas and Wynn Las Vegas.
UPDATE JAN. 26: The Las Vegas Convention and Visitors Authority says all activities related to the launch of the new campaign will be postponed due to the deadly helicopter crash involving Kobe Bryant. READ MORE
The new slogan did air as planned and is:
"What happens here, only happens here."
LAS VEGAS (KTNV) -- A 60 second commercial on Sunday will announce the new slogan and marketing campaign for Las Vegas, replacing the iconic "What happens here, stays here" slogan that advertised the city since 2003.
The commercial is set to air right after Aerosmith's performance at the 2020 Grammys.
PREVIOUS: Las Vegas to get new slogan in 2020
The Las Vegas Convention and Visitors Authority said R&R Partners worked for more than a year to develop a new marketing campaign that would honor the "What happens here" legacy while updating the message for a modern world where social media doesn't allow for anything to stay anywhere for long.
"There's a lot of talk about 'What happens here, stays here,'" said Arnie Digeorge, R&R executive creative director.
"You couldn't keep it here because of social, but also they love 'What happens here, stays here' and will use it no matter what, so it was trying to find a balance of that to go the next direction. We think we found a pretty good place."
Digeorge wouldn't reveal the new slogan, but did say it was an evolution of its predecessor instead of an outright replacement.
As the new slogan is revealed, marquee displays around the strip will change to reflect it, the Eiffel Tower and High Roller will change colors, new lights will come on at the "Welcome to Fabulous Las Vegas" sign, and "pop up" Instagram opportunities will be found at The Cosmopolitan, McCarran Airport, the Bellagio fountains, The Linq Promenade, Grand Canal Shoppes, The Venetian, and Wynn Las Vegas.
"I'll tell you, this city is unlike any other city," Digeorge said. "So that's what we've got to think about. The experiences here are unlike anything seen on the face of the planet."
Digeorge called Sunday's announcement "opening day" for the marketing campaign set to replace "What happens here, stays here."